7972090 has 32 divisors (see below), whose sum is σ = 16677504. Its totient is φ = 2687040.

The previous prime is 7972087. The next prime is 7972103. The reversal of 7972090 is 902797.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3337 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (521172).

Almost surely, 2^7972090 is an apocalyptic number.

7972090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7972090 is an abundant number, since it is smaller than the sum of its proper divisors (8705414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7972090 is a wasteful number, since it uses less digits than its factorization.

7972090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 7972090 is about 2823.4889764262. The cubic root of 7972090 is about 199.7671456662.

The spelling of 7972090 in words is "seven million, nine hundred seventy-two thousand, ninety".